Abstract
A lot of organic UV filters have been developed to increase its safety and functions. organic UV filters have to be approved by the Minister of HMLW to use cosmetic. Recently, only very safe organic UV filters are used for sun care formula by improved photo chemistry and cosmetic manufacturer's requirements. The latest organic UV filter, “Dimethico Diethylbenzalmalonate” approved in 2005, has Polysiloxane backbone. Safety and photo-stability of this new organic UV filter is excellent. Compatibility of this material with solvent of cosmetics is also satisfactory therefore it is a promising organic UV filter as next generation.
